644625930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1652887}}^1$

素因数の和:1652910

約数の個数: 32

約数和(自身を含む): 1666111104

約数和(自身を除く): 1021485174

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 1652887, 3305774, 4958661, 8264435, 9917322, 16528870, 21487531, 24793305, 42975062, 49586610, 64462593, 107437655, 128925186, 214875310, 322312965, 644625930]

約数ペア:

[(1, 644625930), (2, 322312965), (3, 214875310), (5, 128925186), (6, 107437655), (10, 64462593), (13, 49586610), (15, 42975062), (26, 24793305), (30, 21487531), (39, 16528870), (65, 9917322), (78, 8264435), (130, 4958661), (195, 3305774), (390, 1652887)]